A5070137664- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Advanced Cellulose Research Studies
- Advanced Battery Technologies Research
- Supercapacitor Materials and Fabrication
- Fuel Cells and Related Materials
- Extraction and Separation Processes
- Advanced battery technologies research
- Ionic liquids properties and applications
- Lignin and Wood Chemistry
- Membrane-based Ion Separation Techniques
- Membrane Separation Technologies
- Catalysis for Biomass Conversion
- biodegradable polymer synthesis and properties
- Conducting polymers and applications
- Biodiesel Production and Applications
- Nanocomposite Films for Food Packaging
- Biofuel production and bioconversion
- Catalysis and Hydrodesulfurization Studies
- Electrospun Nanofibers in Biomedical Applications
- Hydrogels: synthesis, properties, applications
- Natural product bioactivities and synthesis
- Additive Manufacturing and 3D Printing Technologies
- Polymer Nanocomposite Synthesis and Irradiation
- Dielectric materials and actuators
National Research and Innovation Agency
2022-2024
National Nuclear Energy Agency of Indonesia
2022-2024
Bandung Institute of Technology
2017-2022
Utilization of low-grade Used Cooking Oil (UCO) for biodiesel is addressed to participate in three key issues health, environment, and renewable energy. This work optimized UCO natural CaO catalyst made bovine bone conversion. quality was analyzed treated reduce FFA. A base prepared by soaking acetone calcinated at 800°C 3 hours. Afterward, conversion estimated with saponification method setting NaOH solution mixing period. Finally, converted using the ethanol. optimization conducted...
The polymer electrolyte membrane is a main component of lithium-ion batteries (LiBs), serving as separator and electrolyte. In this work, we prepared biopolymer (BPE) membranes lithium perchlorate (LiClO4)-complexed methyl cellulose (MC). Methyl (MC), derivative, has attractive properties for use bulkier anion size salt (LiClO4) significantly enhances the performance membranes. fabricated were characterized by FTIR, EIS, tensile tester, XRD TGA. Biopolymer with various weight percentages...
Abstract Cellulose and its derivatives have been widely used in various applications. can be isolated from sugarcane bagasse waste. This research aims to isolate modify the cellulose improve characteristics usability. was using alkalization bleaching method, wherein processes biomass immersed a sodium hydroxide solution bleached hydrogen peroxide. modification performed alkali treatment etherification stages with monochloroacetic acid an isopropanol solvent. The β‐(1,4)‐glycosidic vibration...
Abstract Carboxymethyl cellulose (CMC) is one of the important derivatives, and it can be developed as a host polymer for solid electrolyte (SPE) membrane. This study aimed to synthesis CMC from coconut fiber was applied prepare SPE membranes. Cellulose isolation conducted through delignification bleaching process, while alkalization carboxymethylation treatments. membranes were prepared by blending with carboxymethyl chitosan (CMCh) (80/20) mixed various weight percentages LiOAc at room...
The effects of incorporating lithium carbonate (Li2CO3) into a polyvinyl alcohol/polyvinyl pyrrolidone/polyethylene glycol (PVA/PVP/PEG) blend polymer electrolyte were investigated. Electrolytes prepared via solution casting method, with Li2CO3 added at 10, 20, and 30 wt.% to the PVA/PVP/PEG (50/30/20 ratio). Fourier transform infrared spectroscopy analysis revealed interactions between salt blend. addition both PEG resulted in increased ionic conductivity, reaching maximum 4.51 × 10− 5 S/cm...
ABSTRACT Solid polymer electrolytes (SPEs) serve as both separators and electrolytes, enhancing the safety of energy storage devices by eliminating liquid components. In this study, we present SPEs prepared from a blend polyvinyl alcohol (PVA), lithium acetate (LiAc), ionic 1‐ethyl‐3‐methylimidazolium bromide ([EMIm]Br). This combination prevents leakage issues common with addresses low conductivity typical solid electrolytes. The are easy to produce, highly transparent, thermally stable up...
Abstract. The Enhanced Oil Recovery (EOR) process with chemical techniques carried out by injecting chemicals such as surfactants, can be an alternative to increase oil production, especially in old wells. This study investigated the best formulation of non-ionic surfactants based on mole ratio oleic acid and PEG-400 well catalyst types KOH p-TSA 1%, which are used surfactant synthesis able production. tests value acid, saponification, ester, iodine, FTIR, NMR a test compatibility, phase...
Abstract This work aimed to prepare solid polymer blend electrolytes based on carboxymethyl cellulose (CMC) and chitosan (CMCh) complexed with lithium acetate (LiCH 3 COO) for lithium‐ion batteries application. The of LiCH COO‐complexed CMC/CMCh (50/50) electrolyte were prepared by using the casting solution technique, where various weight percentages COO mixed into as host polymer. Solid + 30wt% had highest ionic conductivity much 2.24 × 10 −5 S cm −1 among others. degraded at temperature...
Abstract Polymer electrolyte is a crucial component of solid‐state‐lithium‐ion batteries that role both as separators and electrolytes. The host polymer lithium salt selection are for producing solid with optimum characteristics. This research aims to study the effect acetate (LiCH 3 COO) on carboxymethyl cellulose (CMC)‐based LiCH COO‐complexed CMC was prepared using solution casting method various weight percentages COO, is, 0%wt, 10%wt, 20%wt, 30%wt. ionic conductivity analysis conducted...
Abstract Coconut fibers contain many lignocellulosic components; therefore, they have the potential to be used as cellulose‐based materials. This study aims synthesize carboxymethyl cellulose (CMC) for bioplastic applications from coconut fiber obtained South Tangerang, Indonesia. The isolation of was conducted in two key stages: alkaline treatment using a delignification reactor and bleaching with hydrogen peroxide (H 2 O ). facile synthesis CMC involved important steps: carboxymethylation...
Abstract This work had successfully produced Theobroma cacao L. (TCL) husk-based cellulose used efficiently and friendly environmentally simple microwave-assisted extraction (MAE) method. The heating time optimization of alkaline-treatment was carried out for 10, 20, 30 40 minutes. Microwave-assisted bleaching process also conducted using green agent H 2 O , utilizing microwave 60 followed treatment filtered, neutralized, washed overnight freeze-dried. Fourier transform infrared (FTIR)...
Abstract This research aimed to modify the Nias’ cacao pod husk cellulose by using Microwave‐assisted Organic Synthesis (MAOS) method produce carboxymethyl and its application as lithium‐ion batteries’ biopolymer electrolyte membrane. There were two main stages of modification i. e. alkalization carboxymethylation process (etherification stage). Lithium‐ion membrane was fabricated through casting solution technique, where blend Methylcellulose/Carboxymethyl (MC/CMC) (80/20) (w/w) complexed...
The biodiesel synthesis of waste cooking oil (WCO) over a impregnated biochar catalyst was systematically studied. This research aimed to prepare Biochar-based material that comes from coconut coir, activate it, and apply it as the esterification reaction high-FFA oil. Activation done by impregnation H2SO4 solution in Biochar. obtained characterized FTIR, XRF, XRD, surface area analyzer, SEM-EDS. process conducted varying weight (5, 7, 10 wt%) temperature (55 60 °C). liquid yields were...
Lithium-ion batteries (LIBs) are favorable power source devices at the last two decades, owing to high energy density, rechargeable, long life cycle, portable, safe, good performance and friendly environment. To support their development, in this research has been successfully prepared polymer electrolyte membrane, a main component of LIBs, based on 1-ethyl-3-methylimidazolium acetate ([EMIm]Ac) ionic liquid-plasticized methyl cellulose/lithium perchlorate (MC/LiClO4). [EMIm]Ac liquid was...